137.255.13.37📋 Copy

## IP Intelligence Briefing: 137.255.13.37

Classification: Low Risk / Single-Service Host

Report Date: 2026-07-29

Analyst: IPDebrief Intelligence Unit

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Executive Summary

IP 137.255.13.37 presents as a low-risk (Score: 25) single-service host operating in London, GB under ASN 328228. The IP hosts SSH services and is associated with the Benin TLD domain sbin.bj. While currently low-risk, neighborhood context and historical data warrant monitoring for potential abuse escalation.

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Technical Profile

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Threat Indicators

Current Status:

• No active threat indicators detected
• No known attacker or spam source classification
• Zero blacklist entries at time of assessment
• No Tor exit node or proxy designation

Historical Anomalies:

• DNSBL listing observed (1 of 8 total lists, severity: high)
• Geolocation discrepancy noted: historical observations indicate Benin (BJ), current profile shows London, GB
• 17 total signal observations recorded

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Neighborhood Context (137.255.13.0/24)

Subnet Abuse Density: 0.3333 (Mixed classification)

Sibling Analysis: 9 total IPs, 6 active, 3 threat siblings

High-Risk Neighbors to Monitor:

• 137.255.13.19: Risk Score 65 (Authority: 50)
• 137.255.13.44, 137.255.13.53, 137.255.13.247: Risk Score 50 (Authority: 50)

Low-Risk Neighbors:

• 137.255.13.90, 137.255.13.211: Risk Score 25
• 137.255.13.181, 137.255.13.201: Risk Score 0

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Recommended Actions

Firewall Rules:

• Allow inbound SSH (port 22) from trusted networks only
• Block all other inbound traffic to 137.255.13.37/32

Monitoring Priorities:

• Monitor for SSH brute-force attempts (port 22)
• Watch for geolocation shifts to Benin or other African regions
• Track DNSBL listing status changes

Correlation:

• Investigate relationship with sbin.bj domain for potential abuse indicators
• Review all 137.255.13.0/24 siblings for coordinated malicious activity

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Risk Assessment

The IP maintains a low-risk profile with single-service characteristics. However, the mixed-risk neighborhood context and historical DNSBL activity suggest potential for abuse escalation. No immediate blocking is warranted, but continued monitoring is recommended, particularly if traffic patterns shift or if additional siblings in the /24 subnet show increased threat activity.

Priority: Monitor

Action: Standard logging and traffic analysis

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.